WO2021109077A1 - Lentille optique de caméra - Google Patents

Lentille optique de caméra Download PDF

Info

Publication number
WO2021109077A1
WO2021109077A1 PCT/CN2019/123312 CN2019123312W WO2021109077A1 WO 2021109077 A1 WO2021109077 A1 WO 2021109077A1 CN 2019123312 W CN2019123312 W CN 2019123312W WO 2021109077 A1 WO2021109077 A1 WO 2021109077A1
Authority
WO
WIPO (PCT)
Prior art keywords
lens
imaging optical
curvature
radius
ttl
Prior art date
Application number
PCT/CN2019/123312
Other languages
English (en)
Chinese (zh)
Inventor
马力
Original Assignee
诚瑞光学(常州)股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 诚瑞光学(常州)股份有限公司 filed Critical 诚瑞光学(常州)股份有限公司
Priority to PCT/CN2019/123312 priority Critical patent/WO2021109077A1/fr
Publication of WO2021109077A1 publication Critical patent/WO2021109077A1/fr

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces

Definitions

  • the present invention relates to the field of optical lenses, in particular to an imaging optical lens suitable for portable terminal equipment such as smart phones and digital cameras, as well as imaging devices such as monitors and PC lenses.
  • the photosensitive devices of general photographic lenses are nothing more than photosensitive coupled devices (CCD) or complementary metal oxide semiconductor devices (Complementary Metal).
  • CCD photosensitive coupled devices
  • CMOS Sensor complementary metal oxide semiconductor devices
  • the pixel size of photosensitive devices has been reduced, and the development trend of current electronic products with good functions, thin and short appearance, therefore, has a good
  • the miniaturized camera lens with image quality has become the mainstream in the current market.
  • the lenses traditionally mounted on mobile phone cameras mostly adopt a three-element or four-element lens structure.
  • the object of the present invention is to provide an imaging optical lens that can meet the requirements of ultra-thin and wide-angle while obtaining high imaging performance.
  • an embodiment of the present invention provides an imaging optical lens.
  • the imaging optical lens includes, in order from the object side to the image side, a first lens having a positive refractive power, and a second lens having a negative refractive power.
  • the focal length of the imaging optical lens is f
  • the focal length of the fifth lens is f5
  • the Abbe number of the first lens is v1
  • the Abbe number of the second lens is v2
  • the axis of the third lens The upper thickness is d5, the on-axis distance from the image side surface of the third lens to the object side surface of the fourth lens is d6, and satisfies the following relationship: -15.00 ⁇ f5/f ⁇ -6.00; 2.80 ⁇ v1/v2 ⁇ 4.00; 5.00 ⁇ d5/d6 ⁇ 15.00.
  • the radius of curvature of the object side surface of the second lens is R3, and the radius of curvature of the image side surface of the second lens is R4, and the following relationship is satisfied: 8.00 ⁇ (R3+R4)/(R3-R4) ⁇ 20.00 .
  • the radius of curvature of the object side surface of the sixth lens is R11
  • the radius of curvature of the image side surface of the sixth lens is R12
  • the following relationship is satisfied: -0.70 ⁇ (R11+R12)/(R11-R12) ⁇ 0.00.
  • the focal length of the first lens is f1
  • the radius of curvature of the object side of the first lens is R1
  • the radius of curvature of the image side of the first lens is R2
  • the on-axis thickness of the first lens is d1
  • the total optical length of the camera optical lens is TTL, and satisfies the following relationship: 0.56 ⁇ f1/f ⁇ 1.84; -3.89 ⁇ (R1+R2)/(R1-R2) ⁇ -1.17; 0.07 ⁇ d1/TTL ⁇ 0.24.
  • the focal length of the second lens is f2
  • the axial thickness of the second lens is d3
  • the total optical length of the imaging optical lens is TTL, and the following relationship is satisfied: -29.74 ⁇ f2/f ⁇ - 3.67; 0.02 ⁇ d3/TTL ⁇ 0.06.
  • the focal length of the third lens is f3, the radius of curvature of the object side of the third lens is R5, the radius of curvature of the image side of the third lens is R6, and the on-axis thickness of the third lens is d5 ,
  • the total optical length of the camera optical lens is TTL, and satisfies the following relationship: -6.90 ⁇ f3/f ⁇ -1.65; 0.39 ⁇ (R5+R6)/(R5-R6) ⁇ 2.54; 0.02 ⁇ d5/TTL ⁇ 0.07.
  • the focal length of the fourth lens is f4
  • the radius of curvature of the object side of the fourth lens is R7
  • the radius of curvature of the image side of the fourth lens is R8, and the on-axis thickness of the fourth lens is d7
  • the total optical length of the camera optical lens is TTL, and satisfies the following relationship: 1.08 ⁇ f4/f ⁇ 3.88; 0.00 ⁇ (R7+R8)/(R7-R8) ⁇ 0.19; 0.04 ⁇ d7/TTL ⁇ 0.13.
  • the radius of curvature of the object side surface of the fifth lens is R9
  • the radius of curvature of the image side surface of the fifth lens is R10
  • the axial thickness of the fifth lens is d9
  • the total optical length of the imaging optical lens is TTL, and satisfies the following relationship: 3.98 ⁇ (R9+R10)/(R9-R10) ⁇ 22.52; 0.02 ⁇ d9/TTL ⁇ 0.08.
  • the focal length of the sixth lens is f6, the on-axis thickness of the sixth lens is d11, the total optical length of the imaging optical lens is TTL, and the following relationship is satisfied: 0.48 ⁇ f6/f ⁇ 1.57; 0.05 ⁇ d11/TTL ⁇ 0.16.
  • the focal length of the seventh lens is f7
  • the radius of curvature of the object side of the seventh lens is R13
  • the radius of curvature of the image side of the seventh lens is R14
  • the axial thickness of the seventh lens is d13
  • the total optical length of the camera optical lens is TTL, and satisfies the following relationship: -1.37 ⁇ f7/f ⁇ -0.42; 0.06 ⁇ (R13+R14)/(R13-R14) ⁇ 0.36; 0.03 ⁇ d13/TTL ⁇ 0.10.
  • the beneficial effect of the present invention is that the imaging optical lens according to the present invention has excellent optical characteristics, meets the requirements of ultra-thin and wide-angle, and is especially suitable for mobile phone camera lens assemblies composed of high-pixel CCD, CMOS and other imaging elements. And WEB camera lens.
  • FIG. 1 is a schematic diagram of the structure of an imaging optical lens according to a first embodiment of the present invention
  • FIG. 2 is a schematic diagram of axial aberration of the imaging optical lens shown in FIG. 1;
  • FIG. 3 is a schematic diagram of the chromatic aberration of magnification of the imaging optical lens shown in FIG. 1;
  • FIG. 4 is a schematic diagram of field curvature and distortion of the imaging optical lens shown in FIG. 1;
  • FIG. 5 is a schematic diagram of the structure of an imaging optical lens according to a second embodiment of the present invention.
  • FIG. 6 is a schematic diagram of axial aberration of the imaging optical lens shown in FIG. 5;
  • FIG. 7 is a schematic diagram of the chromatic aberration of magnification of the imaging optical lens shown in FIG. 5;
  • FIG. 8 is a schematic diagram of field curvature and distortion of the imaging optical lens shown in FIG. 5;
  • FIG. 9 is a schematic diagram of the structure of an imaging optical lens according to a third embodiment of the present invention.
  • FIG. 10 is a schematic diagram of axial aberration of the imaging optical lens shown in FIG. 9;
  • FIG. 11 is a schematic diagram of the chromatic aberration of magnification of the imaging optical lens shown in FIG. 9;
  • FIG. 12 is a schematic diagram of field curvature and distortion of the imaging optical lens shown in FIG. 9.
  • FIG. 1 shows an imaging optical lens 10 according to a first embodiment of the present invention.
  • the imaging optical lens 10 includes seven lenses. Specifically, the imaging optical lens 10 includes in order from the object side to the image side: an aperture S1, a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, a fifth lens L5, and a sixth lens. Lens L6 and seventh lens L7.
  • An optical element such as an optical filter GF may be provided between the seventh lens L7 and the image plane Si.
  • the first lens L1 has positive refractive power
  • the second lens L2 has negative refractive power
  • the third lens L3 has negative refractive power
  • the fourth lens L4 has positive refractive power
  • the fifth lens L5 has negative refractive power
  • the sixth lens L6 has Positive refractive power
  • seventh lens L7 has negative refractive power.
  • the focal length of the overall imaging optical lens 10 is f
  • the focal length of the fifth lens L5 is f5
  • the reasonable distribution of the optical power makes the system have better imaging quality and comparison.
  • Low sensitivity Preferably, -14.92 ⁇ f5/f ⁇ -6.00 is satisfied.
  • the Abbe number of the first lens as v1
  • the Abbe number of the second lens as v2, 2.80 ⁇ v1/v2 ⁇ 4.00, within this range, it is more conducive to the development of ultra-thinness, and is conducive to image correction. difference.
  • the on-axis thickness of the third lens is defined as d5, and the on-axis distance from the image side surface of the third lens to the object side surface of the fourth lens is d6, 5.00 ⁇ d5/d6 ⁇ 15.00, which is within the scope of the conditional expression It helps to compress the total length of the optical system and achieve an ultra-thin effect.
  • 5.00 ⁇ d5/d6 ⁇ 14.71 is satisfied.
  • the imaging optical lens 10 of the present invention When the focal length of the imaging optical lens 10 of the present invention, the focal length of each lens, the Abbe number of the related lens, the on-axis distance from the image side of the related lens to the object side, and the on-axis thickness satisfy the above-mentioned relational expressions, the imaging optical lens can be made 10 has high performance and meets the design requirements of low TTL.
  • the curvature radius of the object side surface of the second lens L2 is R3, and the curvature radius of the image side surface of the second lens L2 is R4, 8.00 ⁇ (R3+R4)/(R3-R4) ⁇ 20.00, which specifies the second lens L2
  • 8.01 ⁇ (R3+R4)/(R3-R4) ⁇ 19.98 is satisfied.
  • the curvature radius of the object side surface of the sixth lens L6 is R11
  • the curvature radius of the image side surface of the sixth lens L6 is R12, -0.70 ⁇ (R11+R12)/(R11-R12) ⁇ 0.00, which specifies the sixth lens
  • the focal length of the first lens L1 is f1, 0.56 ⁇ f1/f ⁇ 1.84, which specifies the ratio of the focal length of the first lens L1 to the overall focal length.
  • the first lens has an appropriate positive refractive power, which is beneficial to reduce system aberrations, and at the same time, is beneficial to the development of ultra-thin and wide-angle lenses.
  • 0.89 ⁇ f1/f ⁇ 1.47 is satisfied.
  • the curvature radius R1 of the object side surface of the first lens L1 and the curvature radius R2 of the image side surface of the first lens L1 satisfy the following relationship: -3.89 ⁇ (R1+R2)/(R1-R2) ⁇ -1.17, reasonable control of the first lens
  • the shape of the lens enables the first lens to effectively correct the spherical aberration of the system.
  • it satisfies -2.43 ⁇ (R1+R2)/(R1-R2) ⁇ -1.46.
  • the axial thickness of the first lens L1 is d1
  • the total optical length of the imaging optical lens is TTL, which satisfies the following relationship: 0.07 ⁇ d1/TTL ⁇ 0.24, which is beneficial to realize ultra-thinness.
  • 0.12 ⁇ d1/TTL ⁇ 0.19 is satisfied.
  • the focal length of the overall imaging optical lens 10 is f
  • the focal length of the second lens L2 is f2 which satisfies the following relationship: -29.74 ⁇ f2/f ⁇ -3.67.
  • the on-axis thickness of the second lens L2 is d3, which satisfies the following relationship: 0.02 ⁇ d3/TTL ⁇ 0.06, which is beneficial to realize ultra-thinness.
  • 0.03 ⁇ d3/TTL ⁇ 0.05 is satisfied.
  • the focal length of the overall imaging optical lens 10 is f
  • the focal length of the third lens L3 is f3
  • the following relationship is satisfied: -6.90 ⁇ f3/f ⁇ -1.65.
  • the system has better imaging quality and Lower sensitivity.
  • -4.31 ⁇ f3/f ⁇ -2.07 is satisfied.
  • the curvature radius R5 of the object side surface of the third lens L3 and the curvature radius R6 of the image side surface of the third lens L3 satisfy the following relationship: 0.39 ⁇ (R5+R6)/(R5-R6) ⁇ 2.54, which can effectively control the third lens L3
  • the shape of, within the range specified by the conditional formula, can ease the degree of deflection of light passing through the lens and effectively reduce aberrations.
  • 0.62 ⁇ (R5+R6)/(R5-R6) ⁇ 2.03 is satisfied.
  • the on-axis thickness of the third lens L3 is d5, which satisfies the following relationship: 0.02 ⁇ d5/TTL ⁇ 0.07, which is beneficial to realize ultra-thinness.
  • 0.03 ⁇ d5/TTL ⁇ 0.06 is satisfied.
  • the focal length of the overall imaging optical lens 10 is f
  • the focal length of the fourth lens L4 is f4, which satisfies the following relationship: 1.08 ⁇ f4/f ⁇ 3.88.
  • the system has better imaging quality and lower Sensitivity.
  • 1.74 ⁇ f4/f ⁇ 3.11 is satisfied.
  • the curvature radius R7 of the object side surface of the fourth lens L4 and the curvature radius R8 of the image side surface of the fourth lens L4 satisfy the following relationship: 0.00 ⁇ (R7+R8)/(R7-R8) ⁇ 0.19, the fourth lens L4 is specified
  • the shape is within the range, with the development of ultra-thin and wide-angle, it is helpful to correct the aberration of the off-axis angle of view.
  • it satisfies 0.01 ⁇ (R7+R8)/(R7-R8) ⁇ 0.15.
  • the on-axis thickness of the fourth lens L4 is d7, which satisfies the following relationship: 0.04 ⁇ d7/TTL ⁇ 0.13, which is beneficial to realize ultra-thinness.
  • 0.07 ⁇ d7/TTL ⁇ 0.11 is satisfied.
  • the curvature radius R9 of the object side surface of the fifth lens L5 and the curvature radius R10 of the image side surface of the fifth lens L5 satisfy the following relationship: 3.98 ⁇ (R9+R10)/(R9-R10) ⁇ 22.52, and the fifth lens L5 is specified
  • the shape is within the range of conditions, with the development of ultra-thin and wide-angle, it is helpful to correct the aberration of the off-axis angle of view.
  • 6.37 ⁇ (R9+R10)/(R9-R10) ⁇ 18.01 is satisfied.
  • the on-axis thickness of the fifth lens L5 is d9, which satisfies the following relationship: 0.02 ⁇ d9/TTL ⁇ 0.08, which is beneficial to realize ultra-thinness.
  • 0.04 ⁇ d9/TTL ⁇ 0.07 is satisfied.
  • the focal length of the overall imaging optical lens 10 is f
  • the focal length of the sixth lens L6 is f6, which satisfies the following relationship: 0.48 ⁇ f6/f ⁇ 1.57.
  • the system has better imaging quality and lower Sensitivity.
  • 0.77 ⁇ f6/f ⁇ 1.26 is satisfied.
  • the on-axis thickness of the sixth lens L6 is d11, which satisfies the following relationship: 0.05 ⁇ d11/TTL ⁇ 0.16, which is beneficial to realize ultra-thinness.
  • 0.08 ⁇ d11/TTL ⁇ 0.13 is satisfied.
  • the focal length of the overall imaging optical lens 10 is f
  • the focal length of the seventh lens L7 is f7, which satisfies the following relationship: -1.37 ⁇ f7/f ⁇ -0.42.
  • the reasonable distribution of the optical power enables the system to have better imaging quality and comparison. Low sensitivity.
  • the curvature radius R13 of the object side surface of the seventh lens L7 and the curvature radius R14 of the image side surface of the seventh lens L7 satisfy the following relationship: 0.06 ⁇ (R13+R14)/(R13-R14) ⁇ 0.36, the seventh lens L6 is specified
  • the shape is within the range of conditions, with the development of ultra-thin and wide-angle, it is helpful to correct the aberration of the off-axis angle of view.
  • 0.09 ⁇ (R13+R14)/(R13-R14) ⁇ 0.28 is satisfied.
  • the on-axis thickness of the seventh lens L7 is d13, which satisfies the following relationship: 0.03 ⁇ d13/TTL ⁇ 0.10, which is beneficial to realize ultra-thinness.
  • 0.05 ⁇ d13/TTL ⁇ 0.08 is satisfied.
  • the total optical length TTL of the imaging optical lens 10 is less than or equal to 7.37 mm, which is beneficial to realize ultra-thinness.
  • the total optical length TTL is less than or equal to 7.04 mm.
  • the aperture F number of the imaging optical lens 10 is less than or equal to 1.46. Large aperture, good imaging performance. Preferably, the aperture F number is less than or equal to 1.43.
  • the overall optical length TTL of the overall imaging optical lens 10 can be shortened as much as possible, and the characteristics of miniaturization can be maintained.
  • the imaging optical lens 10 of the present invention will be described below with an example.
  • the symbols described in each example are as follows.
  • the unit of focal length, distance on axis, radius of curvature, thickness on axis, position of inflection point, and position of stagnation point is mm.
  • TTL optical length (the on-axis distance from the object side of the first lens L1 to the imaging surface), the unit is mm;
  • the object side and/or the image side of the lens can also be provided with inflection points and/or stagnation points to meet high-quality imaging requirements.
  • inflection points and/or stagnation points for specific implementations, refer to the following.
  • Table 1 and Table 2 show design data of the imaging optical lens 10 according to the first embodiment of the present invention.
  • R The radius of curvature of the optical surface, and the radius of curvature of the center of the lens
  • R1 the radius of curvature of the object side surface of the first lens L1;
  • R2 the radius of curvature of the image side surface of the first lens L1;
  • R3 the radius of curvature of the object side surface of the second lens L2;
  • R4 the radius of curvature of the image side surface of the second lens L2;
  • R5 the radius of curvature of the object side surface of the third lens L3;
  • R6 the radius of curvature of the image side surface of the third lens L3;
  • R7 the radius of curvature of the object side of the fourth lens L4;
  • R8 the radius of curvature of the image side surface of the fourth lens L4;
  • R9 the radius of curvature of the object side surface of the fifth lens L5;
  • R10 the radius of curvature of the image side surface of the fifth lens L5;
  • R11 the radius of curvature of the object side surface of the sixth lens L6;
  • R12 the radius of curvature of the image side surface of the sixth lens L6;
  • R13 the radius of curvature of the object side surface of the seventh lens L7;
  • R14 the radius of curvature of the image side surface of the seventh lens L7;
  • R15 the radius of curvature of the object side of the optical filter GF
  • R16 the radius of curvature of the image side surface of the optical filter GF
  • d0 the on-axis distance from the aperture S1 to the object side of the first lens L1;
  • d2 the on-axis distance from the image side surface of the first lens L1 to the object side surface of the second lens L2;
  • d4 the on-axis distance from the image side surface of the second lens L2 to the object side surface of the third lens L3;
  • d6 the on-axis distance from the image side surface of the third lens L3 to the object side surface of the fourth lens L4;
  • d10 the on-axis distance from the image side surface of the fifth lens L5 to the object side surface of the sixth lens L6;
  • d11 the on-axis thickness of the sixth lens L6;
  • d12 the on-axis distance from the image side surface of the sixth lens L6 to the object side surface of the seventh lens L7;
  • d14 the on-axis distance from the image side surface of the seventh lens L7 to the object side surface of the optical filter GF;
  • d15 the axial thickness of the optical filter GF
  • d16 the on-axis distance from the image side surface of the optical filter GF to the image surface
  • nd refractive index of d-line
  • nd1 the refractive index of the d-line of the first lens L1;
  • nd2 the refractive index of the d-line of the second lens L2;
  • nd3 the refractive index of the d-line of the third lens L3;
  • nd4 the refractive index of the d-line of the fourth lens L4;
  • nd5 the refractive index of the d-line of the fifth lens L5;
  • nd6 the refractive index of the d-line of the sixth lens L6;
  • nd7 the refractive index of the d-line of the seventh lens L7;
  • ndg the refractive index of the d-line of the optical filter GF
  • vg Abbe number of optical filter GF.
  • Table 2 shows the aspheric surface data of each lens in the imaging optical lens 10 according to the first embodiment of the present invention.
  • k is the conic coefficient
  • A4, A6, A8, A10, A12, A14, A16, A18, A20 are aspherical coefficients.
  • the aspheric surface of each lens surface uses the aspheric surface shown in the above formula (1).
  • the present invention is not limited to the aspheric polynomial form represented by the formula (1).
  • Table 3 and Table 4 show the design data of the inflection point and stagnation point of each lens in the imaging optical lens 10 of the first embodiment of the present invention.
  • P1R1 and P1R2 represent the object side and image side of the first lens L1 respectively
  • P2R1 and P2R2 represent the object side and image side of the second lens L2 respectively
  • P3R1 and P3R2 represent the object side and image side of the third lens L3 respectively.
  • P4R1, P4R2 represent the object side and image side of the fourth lens L4
  • P5R1, P5R2 represent the object side and image side of the fifth lens L5
  • P6R1, P6R2 represent the object side and image side of the sixth lens L6,
  • P7R1 P7R2 represents the object side and image side of the seventh lens L7, respectively.
  • the corresponding data in the “reflection point position” column is the vertical distance from the reflex point set on the surface of each lens to the optical axis of the imaging optical lens 10.
  • the data corresponding to the “stationary point position” column is the vertical distance from the stationary point set on the surface of each lens to the optical axis of the imaging optical lens 10.
  • FIG. 4 shows a schematic diagram of field curvature and distortion of light with a wavelength of 555 nm after passing through the imaging optical lens 10 of the first embodiment.
  • the field curvature S in FIG. 4 is the field curvature in the sagittal direction, and T is the field curvature in the meridian direction. song.
  • Table 13 shows the values corresponding to the various numerical values in each of Examples 1, 2, and 3 and the parameters that have been specified in the conditional expressions.
  • the first embodiment satisfies various conditional expressions.
  • the entrance pupil diameter of the imaging optical lens is 3.73mm
  • the full-field image height is 4.636mm
  • the diagonal field angle is 80.00°
  • wide-angle ultra-thin
  • its axis and axis The external chromatic aberration is fully corrected and has excellent optical characteristics.
  • the second embodiment is basically the same as the first embodiment, and the meaning of the symbols is the same as that of the first embodiment, and only the differences are listed below.
  • Table 5 and Table 6 show design data of the imaging optical lens 20 according to the second embodiment of the present invention.
  • Table 6 shows the aspheric surface data of each lens in the imaging optical lens 20 according to the second embodiment of the present invention.
  • Table 7 and Table 8 show the design data of the inflection point and stagnation point of each lens in the imaging optical lens 20 according to the second embodiment of the present invention.
  • FIG. 6 and 7 respectively show schematic diagrams of axial aberration and chromatic aberration of magnification after light having wavelengths of 650 nm, 610 nm, 555 nm, 510 nm, 470 nm, and 430 nm pass through the imaging optical lens 20 of the second embodiment.
  • FIG. 8 shows a schematic diagram of field curvature and distortion after light with a wavelength of 555 nm passes through the imaging optical lens 20 of the second embodiment.
  • the second embodiment satisfies various conditional expressions.
  • the entrance pupil diameter of the imaging optical lens is 3.67mm
  • the full-field image height is 4.636mm
  • the diagonal field angle is 80.00°
  • wide-angle ultra-thin
  • its axis and axis The external chromatic aberration is fully corrected and has excellent optical characteristics.
  • the third embodiment is basically the same as the first embodiment, and the meaning of the symbols is the same as that of the first embodiment, and only the differences are listed below.
  • Table 9 and Table 10 show design data of the imaging optical lens 30 according to the third embodiment of the present invention.
  • Table 10 shows the aspheric surface data of each lens in the imaging optical lens 30 according to the third embodiment of the present invention.
  • Table 11 and Table 12 show the inflection point and stagnation point design data of each lens in the imaging optical lens 30 of the third embodiment of the present invention.
  • FIG. 10 and 11 respectively show schematic diagrams of axial aberration and chromatic aberration of magnification after light having wavelengths of 650 nm, 610 nm, 555 nm, 510 nm, 470 nm, and 430 nm pass through the imaging optical lens 30 of the third embodiment.
  • FIG. 12 shows a schematic diagram of field curvature and distortion after light with a wavelength of 555 nm passes through the imaging optical lens 30 of the third embodiment.
  • the entrance pupil diameter of the imaging optical lens is 3.610mm
  • the full-field image height is 4.636mm
  • the diagonal field angle is 80.00°
  • wide-angle ultra-thin
  • its axis and axis The external chromatic aberration is fully corrected and has excellent optical characteristics.
  • Example 1 Example 2
  • Example 3 f5/f -6.009 -6.200 -14.848 v1/v2 3.970 2.877 3.745 d5/d6 5.085 10.700 14.429 f 5.409 5.322 5.235 f1 6.017 6.045 6.432 f2 -30.501 -29.337 -77.848 f3 -18.648 -15.535 -12.989 f4 14.003 11.546 11.865 f5 -32.505 -32.994 -77.731 f6 5.211 5.585 5.473 f7 -3.413 -3.638 -3.503 f12 6.933 7.031 6.712 Fno 1.450 1.450 1.430

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)

Abstract

La présente invention concerne le domaine des lentilles optiques, et décrit une lentille optique de caméra, qui comprend les éléments suivants en séquence du côté objet au côté image : une première lentille, une deuxième lentille, une troisième lentille, une quatrième lentille, une cinquième lentille, une sixième lentille et une septième lentille ; de plus, les expressions relationnelles suivantes sont satisfaites : -15.00≤f5/f≤-6.00; 2.80≤v1/v2≤4.00 ; et 5.00≤d5/d6≤15.00. La lentille optique de caméra de la présente invention présente de bonnes propriétés optiques, telles qu'une grande ouverture, ayant un grand angle et étant ultra-mince.
PCT/CN2019/123312 2019-12-05 2019-12-05 Lentille optique de caméra WO2021109077A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/123312 WO2021109077A1 (fr) 2019-12-05 2019-12-05 Lentille optique de caméra

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/123312 WO2021109077A1 (fr) 2019-12-05 2019-12-05 Lentille optique de caméra

Publications (1)

Publication Number Publication Date
WO2021109077A1 true WO2021109077A1 (fr) 2021-06-10

Family

ID=76222188

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/123312 WO2021109077A1 (fr) 2019-12-05 2019-12-05 Lentille optique de caméra

Country Status (1)

Country Link
WO (1) WO2021109077A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015072405A (ja) * 2013-10-04 2015-04-16 コニカミノルタ株式会社 撮像レンズ、撮像装置及び携帯端末
CN107367827A (zh) * 2017-09-13 2017-11-21 浙江舜宇光学有限公司 光学成像镜头
CN207123646U (zh) * 2017-09-13 2018-03-20 浙江舜宇光学有限公司 光学成像镜头
CN110262007A (zh) * 2019-06-30 2019-09-20 瑞声科技(新加坡)有限公司 摄像光学镜头

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015072405A (ja) * 2013-10-04 2015-04-16 コニカミノルタ株式会社 撮像レンズ、撮像装置及び携帯端末
CN107367827A (zh) * 2017-09-13 2017-11-21 浙江舜宇光学有限公司 光学成像镜头
CN207123646U (zh) * 2017-09-13 2018-03-20 浙江舜宇光学有限公司 光学成像镜头
CN110262007A (zh) * 2019-06-30 2019-09-20 瑞声科技(新加坡)有限公司 摄像光学镜头

Similar Documents

Publication Publication Date Title
WO2021168910A1 (fr) Objectif d'appareil de prise de vues
WO2021253515A1 (fr) Lentille optique de caméra
WO2021168905A1 (fr) Lentille optique photographique
WO2021253517A1 (fr) Lentille optique de caméra
WO2021248577A1 (fr) Lentille de caméra optique
WO2022011740A1 (fr) Lentille de caméra optique
WO2021232497A1 (fr) Lentille optique de dispositif de prise de vues
WO2021168887A1 (fr) Lentille optique de caméra
WO2022088253A1 (fr) Lentille optique de caméra
WO2021168889A1 (fr) Lentille optique de caméra
WO2022088364A1 (fr) Lentille optique photographique
WO2021253555A1 (fr) Lentille optique de caméra
WO2021253518A1 (fr) Lentille optique photographique
WO2021109078A1 (fr) Lentille optique photographique
WO2021127895A1 (fr) Lentille optique d'appareil de prise de vues
WO2021127827A1 (fr) Lentille optique d'appareil de prise de vues
WO2021119894A1 (fr) Caméra optique de capture d'image
WO2021128122A1 (fr) Lentille optique de caméra
WO2021128123A1 (fr) Lentille optique de caméra
WO2021114249A1 (fr) Lentille optique d'imagerie
WO2021127893A1 (fr) Lentille optique de caméra
WO2021109077A1 (fr) Lentille optique de caméra
WO2021128399A1 (fr) Lentille de caméra optique
WO2021128381A1 (fr) Lentille optique de caméra
WO2021127856A1 (fr) Lentille optique de caméra

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19955326

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19955326

Country of ref document: EP

Kind code of ref document: A1